Met Office issues yellow weather warning for fog in Dacorum
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The Met Office has issued the warning for between 10pm tonight (January 11) and 12noon tomorrow (January 12).
On the Met Office website it says: "Dense fog patches likely to cause some travel disruption overnight and during Wednesday morning."
What to expect
> Slower journey times with delays to bus and train services possible
> There is a chance of delays or cancellations to flights.